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-rw-r--r--test/CodeGen/NVPTX/load-store.ll88
1 files changed, 88 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/load-store.ll b/test/CodeGen/NVPTX/load-store.ll
new file mode 100644
index 000000000000..03b0109dea20
--- /dev/null
+++ b/test/CodeGen/NVPTX/load-store.ll
@@ -0,0 +1,88 @@
+; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 | FileCheck %s
+
+; CHECK-LABEL: plain
+define void @plain(i8* %a, i16* %b, i32* %c, i64* %d) local_unnamed_addr {
+ ; CHECK: ld.u8 %rs{{[0-9]+}}, [%rd{{[0-9]+}}]
+ %a.load = load i8, i8* %a
+ %a.add = add i8 %a.load, 1
+ ; CHECK: st.u8 [%rd{{[0-9]+}}], %rs{{[0-9]+}}
+ store i8 %a.add, i8* %a
+
+ ; CHECK: ld.u16 %rs{{[0-9]+}}, [%rd{{[0-9]+}}]
+ %b.load = load i16, i16* %b
+ %b.add = add i16 %b.load, 1
+ ; CHECK: st.u16 [%rd{{[0-9]+}}], %rs{{[0-9]+}}
+ store i16 %b.add, i16* %b
+
+ ; CHECK: ld.u32 %r{{[0-9]+}}, [%rd{{[0-9]+}}]
+ %c.load = load i32, i32* %c
+ %c.add = add i32 %c.load, 1
+ ; CHECK: st.u32 [%rd{{[0-9]+}}], %r{{[0-9]+}}
+ store i32 %c.add, i32* %c
+
+ ; CHECK: ld.u64 %rd{{[0-9]+}}, [%rd{{[0-9]+}}]
+ %d.load = load i64, i64* %d
+ %d.add = add i64 %d.load, 1
+ ; CHECK: st.u64 [%rd{{[0-9]+}}], %rd{{[0-9]+}}
+ store i64 %d.add, i64* %d
+
+ ret void
+}
+
+; CHECK-LABEL: volatile
+define void @volatile(i8* %a, i16* %b, i32* %c, i64* %d) local_unnamed_addr {
+ ; CHECK: ld.volatile.u8 %rs{{[0-9]+}}, [%rd{{[0-9]+}}]
+ %a.load = load volatile i8, i8* %a
+ %a.add = add i8 %a.load, 1
+ ; CHECK: st.volatile.u8 [%rd{{[0-9]+}}], %rs{{[0-9]+}}
+ store volatile i8 %a.add, i8* %a
+
+ ; CHECK: ld.volatile.u16 %rs{{[0-9]+}}, [%rd{{[0-9]+}}]
+ %b.load = load volatile i16, i16* %b
+ %b.add = add i16 %b.load, 1
+ ; CHECK: st.volatile.u16 [%rd{{[0-9]+}}], %rs{{[0-9]+}}
+ store volatile i16 %b.add, i16* %b
+
+ ; CHECK: ld.volatile.u32 %r{{[0-9]+}}, [%rd{{[0-9]+}}]
+ %c.load = load volatile i32, i32* %c
+ %c.add = add i32 %c.load, 1
+ ; CHECK: st.volatile.u32 [%rd{{[0-9]+}}], %r{{[0-9]+}}
+ store volatile i32 %c.add, i32* %c
+
+ ; CHECK: ld.volatile.u64 %rd{{[0-9]+}}, [%rd{{[0-9]+}}]
+ %d.load = load volatile i64, i64* %d
+ %d.add = add i64 %d.load, 1
+ ; CHECK: st.volatile.u64 [%rd{{[0-9]+}}], %rd{{[0-9]+}}
+ store volatile i64 %d.add, i64* %d
+
+ ret void
+}
+
+; CHECK-LABEL: monotonic
+define void @monotonic(i8* %a, i16* %b, i32* %c, i64* %d) local_unnamed_addr {
+ ; CHECK: ld.volatile.u8 %rs{{[0-9]+}}, [%rd{{[0-9]+}}]
+ %a.load = load atomic i8, i8* %a monotonic, align 1
+ %a.add = add i8 %a.load, 1
+ ; CHECK: st.volatile.u8 [%rd{{[0-9]+}}], %rs{{[0-9]+}}
+ store atomic i8 %a.add, i8* %a monotonic, align 1
+
+ ; CHECK: ld.volatile.u16 %rs{{[0-9]+}}, [%rd{{[0-9]+}}]
+ %b.load = load atomic i16, i16* %b monotonic, align 2
+ %b.add = add i16 %b.load, 1
+ ; CHECK: st.volatile.u16 [%rd{{[0-9]+}}], %rs{{[0-9]+}}
+ store atomic i16 %b.add, i16* %b monotonic, align 2
+
+ ; CHECK: ld.volatile.u32 %r{{[0-9]+}}, [%rd{{[0-9]+}}]
+ %c.load = load atomic i32, i32* %c monotonic, align 4
+ %c.add = add i32 %c.load, 1
+ ; CHECK: st.volatile.u32 [%rd{{[0-9]+}}], %r{{[0-9]+}}
+ store atomic i32 %c.add, i32* %c monotonic, align 4
+
+ ; CHECK: ld.volatile.u64 %rd{{[0-9]+}}, [%rd{{[0-9]+}}]
+ %d.load = load atomic i64, i64* %d monotonic, align 8
+ %d.add = add i64 %d.load, 1
+ ; CHECK: st.volatile.u64 [%rd{{[0-9]+}}], %rd{{[0-9]+}}
+ store atomic i64 %d.add, i64* %d monotonic, align 8
+
+ ret void
+}